In the Proton-Proton Cycle, the Positron Is

question 67

Multiple Choice

In the proton-proton cycle, the positron is:

• A)massless.
• B)a spin conservation particle.
• C)an anti-electron.
• D)the chief means energy reaches the photosphere.
• E)intermediate between the proton and neutron in mass.

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Definitions:

Colorectal Cancer

A type of cancer that starts in the colon or rectum.

Flexible Sigmoidoscopy

A diagnostic procedure that uses a flexible, tube-like instrument to examine the lower part of the colon and rectum.

Incomplete Evacuation

A feeling of remaining fecal matter in the bowel even after a bowel movement.

Bowel Training

A process to develop regular and predictable bowel movements by establishing a routine.